Utilitzem cookies
Aquest lloc web utilitza cookies per a oferir-vos la informació més rellevant. Si vosté continua navegant, accepta aquestes cookies.
Aquest lloc web utilitza cookies per a oferir-vos la informació més rellevant. Si vosté continua navegant, accepta aquestes cookies.
Ho sabíeu?
Podeu fer doble clic en una paraula per a buscar-la a TermGallery.
Podeu fer doble clic en una paraula per a buscar-la a TermGallery.
Significats de barium sulphate en anglès
català
espat pesant portuguès
sulfato de bário català
sulfat de bari Ús de barium sulphate en anglès
1
The new Ray-X sponge, treated with barium sulphate, eliminates guess work.
2
From the weight of barium sulphate, calculate the percentage of sulphur (S) in the sample.
3
The dissolved barium sulphate, like any electrolyte, is dissociated, and the equilibrium conditions may be expressed thus:
4
It was just the color of barium sulphate, and had a little lace bunched at the throat.
5
In determining it, it is first converted into sulphuric acid, and then precipitated and weighed as barium sulphate.
6
From the weight of barium sulphate (BaSO_{4}) obtained, calculate the percentage of sulphur (S) in the sample.
7
The plain transfer paper is prepared in the same manner, leaving out the barium sulphate and the coloring matters.
8
The contamination of the barium sulphate by iron is much less in the presence of ferrous than ferric salts.
9
It should be borne in mind that the quantity of barium sulphate in this!saturated solution is a constant quantity!
10
Thus barium sulphate, one of the most insoluble of common substances, dissolves in water to the extent of 1 part in 400,000.
11
But a University of Chile laboratory study concluded that some are only 20% rubber, with the rest made up of barium sulphate, silica and lead.
12
A blank experiment must be done with each new lot of peroxide of hydrogen obtained, which always gives under 0.1 barium sulphate with me.
13
Mix, wash well the precipitate-bariumsulphate-bydecantation, and when well drained, mix to the following solution:
14
[Note 6: Barium sulphate requires about 400,000 parts of water for its solution.
15
[Note 2: The ionic changes involved in the precipitation of barium sulphate are very simple: